Background:

When purchasing a refrigerator, consumers may notice that the actual temperature of the refrigerator does not remain constant at the user-set temperature, which can be confusing for some. What causes this phenomenon? Is it a problem with the product itself or are there other reasons? In the following explanation, we will use Anker Cooler as an example to explain this phenomenon.

Principles of Refrigeration:

Refrigeration is achieved by compressing the refrigerant (coolant) in the refrigeration system, causing it to continuously change states (gas-liquid-gas) and remove heat from the inside of the box to the outside. The thick insulation layer of the refrigerator box helps to maintain the cooling effect.

Working Principle of Refrigerator:

When the compressor is working (cooling), it consumes energy and generates noise, which can be unpleasant for users or the environment. Since the refrigerator industry has mandatory energy efficiency requirements, refrigerators work differently from other household appliances - refrigerators work intermittently. When the temperature of the refrigerator reaches a set value, the compressor stops working, and the temperature of the refrigerator slowly rises. When the temperature rises to another set value, the compressor restarts to cool the refrigerator, and this cycle repeats.

Anker Cooler's operating settings are also intermittent. Our design logic is that when the temperature drops 2 degrees below the user-set temperature, the refrigerator stops cooling, and when the temperature rises 2 degrees above the user-set temperature, the refrigerator restarts cooling. This keeps the temperature of the refrigerator as close as possible to the user-set value, while also achieving good performance in terms of noise and energy efficiency.

If you have any questions, please contact Anker Customer Support for further assistance.